Home / 864,285.73-1,192,571.67-482,311.60

Finding the Fourth Proportional to 864,285.73, 1,192,571.67 and 482,311.60

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Solution

The fourth proportional to 864,285.73, 1,192,571.67 and 482,311.60 is: 665,510.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,285.73 : 1,192,571.67 = 482,311.60 : x
  2. Step 2: Convert to fraction form
    864,285.73/1,192,571.67 = 482,311.60/x
  3. Step 3: Cross multiply
    864,285.73x = 1,192,571.67 × 482,311.60
  4. Step 4: Simplify right side
    864,285.73x = 575,191,150,272.37
  5. Step 5: Solve for x
    x = 575,191,150,272.37/864,285.73
  6. Step 6: Final answer
    x = 665,510.41

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.